| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental Study on Preparation Efficiency of Microstructured-Fibre Based Heralded Single-Photon Source at 1.5μm |
| ZHANG Si-Tuo, ZHANG Wei, ZHOU Qiang, HUANG Yi-Dong, PENG Jiang-De |
| State Key Lab of Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084 |
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| Cite this article: |
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ZHANG Si-Tuo, ZHANG Wei, ZHOU Qiang et al 2009 Chin. Phys. Lett. 26 034206 |
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Abstract We present an experimental study on the microstructured-fibre (MSF) based heralded single photon source (HSPS) at 1.5μm. The preparation efficiency is measured to be 8.7% under room temperature. The analysis of the experimental results shows that the preparation efficiency can be improved up to 22.9% by the Raman noise suppression with fibre cooling under the experimental setup parameters. Further efficiency improvement could be achieved by improving the collection efficiency and reducing dark counts of single photon detectors (SPDs). The experimental results and analysis show great potential applications of the MSF in high efficient HSPSs.
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| Keywords:
42.50.Ex
42.65.Lm
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Received: 05 September 2008
Published: 19 February 2009
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| PACS: |
42.50.Ex
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(Optical implementations of quantum information processing and transfer)
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42.65.Lm
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(Parametric down conversion and production of entangled photons)
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